DS1306EN/TR 查看數據表（PDF） - Maxim Integrated

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DS1306EN/TR

Serial Alarm Real-Time Clock

Maxim Integrated 

DS1306

DC ELECTRICAL CHARACTERISTICS

(TA = Over the operating range, unless otherwise specified.)

PARAMETER

SYMBOL

MIN

Input Leakage

ILI

-100

Output Leakage

ILO

-1

Logic 0 Output IOL = 1.5mA

IOL = 4.0mA

VOL

VCC = 2.0

VCC = 5V

Logic 1 Output

IOH = -0.4mA

IOH = -1.0mA

VOH

VCCIF = 2.0V

VCCIF = 5V

1.6

2.4

Logic 1 Output Current

(INT1 pin)

IOH, (VCC2, VBAT)

INT1 -0.3V

-100

VCC1 Active Supply Current

VCC1 Timekeeping Current

VCC2 Active Supply Current

VCC2 Timekeeping Current

ICC1A

ICC1T

ICC2A

ICC2T

VCC1 = 2.0V

VCC1 = 5V

VCC1 = 2.0V

VCC1 = 5V

VCC2 = 2.0V

VCC2 = 5V

VCC2 = 2.0V

VCC2 = 5V

Battery Timekeeping Current

IBAT VBAT = 3V

Battery Timekeeping Current

(IND)

IBAT VBAT = 3V

VCC Trip Point

VCCTP

VBAT -

50

R1

Trickle Charge Resistors

R2

R3

Trickle Charger Diode Voltage

Drop

VTD

TYP

2

4

8

0.7

CAPACITANCE

(TA = +25°C)

PARAMETER

Input Capacitance

Output Capacitance

Crystal Capacitance

SYMBOL

CI

CO

CX

MIN

TYP

10

15

6

MAX

+500

+1

0.4

0.4

0.425

1.28

25.3

81

0.4

1.2

0.4

1

550

800

VBAT +

200

MAX

UNITS

mA

mA

V

V

mA

mA

mA

mA

mA

nA

nA

mV

kW

V

UNITS

pF

pF

pF

NOTES

2, 7

1, 7

2, 8

1, 8

9

9

NOTES

16 of 21

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